67821645

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 112849920

約数和(自身を除く): 45028275

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 465, 471, 785, 929, 2355, 2787, 4645, 4867, 13935, 14601, 24335, 28799, 73005, 86397, 143995, 145853, 431985, 437559, 729265, 2187795, 4521443, 13564329, 22607215, 67821645]

約数ペア:

[(1, 67821645), (3, 22607215), (5, 13564329), (15, 4521443), (31, 2187795), (93, 729265), (155, 437559), (157, 431985), (465, 145853), (471, 143995), (785, 86397), (929, 73005), (2355, 28799), (2787, 24335), (4645, 14601), (4867, 13935)]